Conveyer



y 1945= A. DE 1.. SiNDEN 2,375,697

CONVEYER Original Filed March 2, 1940 I I I Z [40 2/ I I 1n! N V ENTO RIALFIRED DE Lo; JIM/JEN ATTORNEY Patented May s, 1945 CONVEYER Alfred DeLos Sinden, Aurora, 111., assignor to Redler Conveyor Company,corporation of Massachusetts Quincy, Mass., a

Original application March 2, 1940, Serial No. 321,968, now Patent No.2,281,026, dated April 28, 1942. Divided and thisapplication January 19,1942, Serial No. 427,307

1 Claim. (Cl. 198-52) This invention relates to a conveyer for conveyingflowable solid material.

The object of the invention is to provide a novel and improvedconstruction of conveyer which finds particular use in conveying lumpymaterials and with which the liability of jamming the conveyer andinJuring the component parts thereof 1s reduced to a minimum.

With this general. object in View, and such others as may hereinafterappear, the invention consists in the conveyer and in the variousstructures, arrangements and combinations of parts hereinafter describedand particularly defined in the claim at the end of this specification.

. In the drawing, Fig. 1 is a side elevation illus tratmg a conveyerembodying the present invention; Fig. 2 is an enlarged detail of theinlet portion of the conveyer shown in Fig. 1; Fig. 3 is a cross-sectionof the conveyershown in Fig. 2; and Figs. 4 and 5 are views similar toFigs. 2 and 3 illustrating a conveyer embodying a conveying element ofthe open flight type.

Prior to the present invention substantial difliculty has beenencountered in handling'certain types of lumpy flowable material inconveyers of the type .embodying an elongated casing and a conveyingelement having spaced flights adapted to be drawn therethrough. Amongsuch material may be mentioned crushed stone, coal; and other materialcontaining lumps of a hardness such that, when wedged between theflights of thereof and diiferent features of the invention findparticular use in conveyers of the open flight type such as form thesubject matter of the Redler United States Reissue Patent No..18,445,while other features of the invention are particularly useful inconnection with conveyors of the solid permit the lumpy material to fallthrough the upper run 3!) between adjacent flight members and to passinto the lower portion of the casing to be conveyedby the lowerrun 32 ofthe conveying element to the discharge opening in the casing. .Ayieldable flap' 33 is prcferebaly pro vided at the rear edge of theinlet opening in the top wall of the casing to assist in preventingjamming at this point. The flap member 33 is flight type, such forexample 'as illustrated in the a United States patent to White No;2,066,866.

r In Figs. 1,2 and 3, I have illustrated a conveyer of the solid flighttype, such for example asis illustrated in the White patent abovereferred to.

As illustrated in detail in Figs. 2 and 3, this type.

of conveyer may and preferably will beprovided with two runs 30, 32 ofthe conveyer element arranged to i pass one above the other. The spacebetween the flights immediately below the inlet opening 34 in theconveyer casing I0 is intentionally free from obstructions so as topreferably formed as an extension of one wall of the inlet at the rearedge thereof and the conveyercasing is formed to provide a space beyondQ the flap member to enable the flap member to.

readily yield as a lump is forced against itby the operation of theconveyer flights and to thereby permit the lump to readily falldownwardly between the flights and prevent jamming of theconveyer.

In Figs. 4 and 5 I have illustrated a modified form of conveyerembodying the invention and which is provided with a conveying elementhaving upper and lower runs 30, 32 and having open.

flights herein shown aS of general U-shape. The

inlet of the conveyer is provided with a similar flap 33 formed as anextension of the rear wall of the conveyer inlet and the conveyer casingis shaped to provide a space beyond the flap member so as to enable theflap to readily yield as a lump is forced against it and thereby permitthe lump to pass downwardly between the flights of the upper run of theconveyer.

This application is a division of my co-pending application, Serial No.321,968, filed March 2, 1940 and issued April 28, 1942, as Patent No.

2,281,026. Havingthus described the invention,.what is claimed is:

In a conveyer for conveying lumpy material, in combination, a, casinghaving an inlet in the top wall thereof and a yieldable flapmemberforming an extension of one wall of the inlet at the rear edgethereof, the casing being formed to provide a space beyond said flapmember, an endless conveyer elements having flights arranged to be drawnthrough the casing in upper and lower runs, said lower run comprisingthe active conveying run, the interior of said casing in the immediatevicinity of said inlet being unobstructed except for said upper andlower runs of the conveyer, whereby to perinit lumpy material to fallfreely through the upper run and between the flights thereof into aposition to be conveyed by the lower run of the conveyer to therebyprevent bending andbreakage of said upright flights.

ALFRED DE Los SINDEN.

